Junaidi, M.A.D. and Ratna, A.A.P. 2025. DEVELOPMENT AND OPTIMIZATION OF SIMPLE-O: AN AUTOMATED ESSAY SCORING SYSTEM FOR JAPANESE LANGUAGE BASED ON BERT, BILSTM, AND BIGRU. International Journal of Electrical, Computer, and Biomedical Engineering. 3, 3 (Sep. 2025), 579–597. DOI:https://doi.org/10.62146/ijecbe.v3i3.100.